[Upstream] Revert "Fix swig python package path"

Summary: This reverts commit 5a115e81.

Reviewers: JDevlieghere, ZeGentzy

Subscribers: mgorny, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D67781

Change-Id: Ide167fec934541476a263b228d3b73514f872a1a
llvm-svn: 372364